Acids neutralize alkalis and vice versa.酸能使碱中和,碱亦能使酸中和.What's the scale that's used to compare the strength of acids and alkalis?用何种标准来比较酸碱度？Aluminium and other metals are normally badly corroded by alkalis.铝和其...
Aluminium and other metals are normally badly corroded by alkalis.铝和其他金属通常会被碱严重腐蚀.Acids neutralize alkalis and vice versa.酸能使碱中和,碱亦能使酸中和.Weak alkalis ionize partly ( ionize ) in water to give hydroxide ion.弱碱 在水中部份电离,放出氢...
It can be difficult to ascertain the facts.可能难以查明事实真相。We must ascertain the responsibility in light of different situtations.我们必须根据不同情况判定责任.The legal philosopher's concern is to ascertain the true nature of all the ...
她记着要拿他的处方再配一回药。She made a mental note to have his prescription refilled.我记着出门前把鸡肉化开。I remember to thaw out the chicken before I leave home.她心里牢牢记着不坐在他的附近。She made a mental note not to sit anywhere near him....
She was secretly vetted before she ever undertook any work for me...她在为我工作以前曾受到过秘密考查。The recruits were thoroughly vetted before they were allowed into the secret service.情报机关招募的新成员要经过严格的审查。He had not been allowed to read...